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  2. List of largest daily changes in the Nasdaq Composite

    en.wikipedia.org/wiki/List_of_largest_daily...

    Largest intraday percentage drops. An intraday percentage drop is defined as the difference between the previous trading session's closing price and the intraday low of the following trading session. The closing percentage change denotes the ultimate percentage change recorded after the corresponding trading session's close.

  3. Video Data Analysis - Wikipedia

    en.wikipedia.org/wiki/Video_Data_Analysis

    The six procedures all build on coding of the data and they are all interconnected. For instance, one could produce counts and quantifications based on video data that help studying social relations and networks. In other words, the six procedures should not be understood as discrete analytical steps or mutually exclusive ways to analyze video ...

  4. List of largest daily changes in the Dow Jones Industrial ...

    en.wikipedia.org/wiki/List_of_largest_daily...

    Largest intraday point gains that turned negative. These are the largest intraday point gains that closed in negative territory at the end of the trading session. In order to be considered an intraday point gain, the intraday high must be above the previous day closing price, while the opening price is used to calculate intraday highs.

  5. StatCounter - Wikipedia

    en.wikipedia.org/wiki/StatCounter

    Access to basic services is free to use and advanced services can cost between US$5 and US$119 a month. [2] StatCounter is based in Dublin, Ireland. The statistics from StatCounter are used to compute web usage share for example. [3] As of May 2019, StatCounter is used on 0.9% of all websites. [4]

  6. Video tracking - Wikipedia

    en.wikipedia.org/wiki/Video_tracking

    Video tracking is the process of locating a moving object (or multiple objects) over time using a camera. It has a variety of uses, some of which are: human-computer interaction, security and surveillance, video communication and compression , augmented reality , traffic control, medical imaging [ 1 ] and video editing .

  7. High-frequency trading - Wikipedia

    en.wikipedia.org/wiki/High-frequency_trading

    The HFT firm Athena manipulated closing prices commonly used to track stock performance with "high-powered computers, complex algorithms and rapid-fire trades", the SEC said. The regulatory action is one of the first market manipulation cases against a firm engaged in high-frequency trading.

  8. People counter - Wikipedia

    en.wikipedia.org/wiki/People_counter

    A people counter is an electronic device that is used to measure the number of people traversing a certain passage or entrance. Examples include simple manual clickers, smart-flooring technologies, infrared beams, thermal imaging systems, Wi-Fi trackers and video counters using advanced machine learning algorithms.

  9. Closing milestones of the Nasdaq Composite - Wikipedia

    en.wikipedia.org/wiki/Closing_milestones_of_the...

    13 Although the Nasdaq first reached 7,300 intraday on Tuesday, January 16, 2018, the COMP has flirted with the milestone all week and then closed above it three days later. 14 The Nasdaq first reached 7,600 on Monday, March 12, 2018, before falling back below it for the close. This was repeated the next trading day before another major ...